peanut
noun
1.
underground pod of the peanut vine
2.
widely cultivated American plant cultivated in tropical and warm regions; showy yellow flowers on stalks that bend over to the soil so that seed pods ripen underground
3.
a young child who is small for their age
4.
pod of the peanut vine containing usually 2 nuts or seeds; ‘groundnut’ and ‘monkey nut’ are British terms